All Articles (Page 3 of 5)
PT950 vs PT900 vs PT850: Understanding Platinum Purity Stamps
Learn how to read platinum hallmarks and understand the difference between Ruthenium, Cobalt, and Iridium platinum alloys.
Why Are Making Charges on Platinum So Astronomically High?
Platinum making charges are often triple those of gold. Understand the physics and labor behind platinum manufacturing.